assertion  retraction  graph  subject    predicate      object                            datatype    annotation
1          0           graph  DOID:305   oio:hasDbXref  SNOMEDCT_US_2023_03_01:188083002  xsd:string  
1          0           graph  DOID:4840  oio:hasDbXref  SNOMEDCT_US_2023_03_01:188083002  xsd:string